Professional Nut Cracker / Splitter/ Buster C-FRAME Professional Quality Tool Splits non-heat-treated nuts of 7/16" (11mm) through 3/4" (19mm) diameter. Tool is 6-3/4" in length. Forged and heat-treated frame with offset handle works where ordinary nut splitters may fail Smooth action cracks nuts without damaging bolt threads Chisel rotates to line up parallel to bolt